#2B45A8#2B45A8

#2B45A8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.162 H 267.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B45A8
RGB	rgb(43, 69, 168)
HSL	hsl(228, 59%, 41%)
HSV	hsv(228, 74%, 66%)
CMYK	cmyk(74.4%, 58.9%, 0%, 34.1%)
CIE-LAB	lab(33.13, 25.77, -56.07)
CIE-LCH	lch(33.13, 61.71, 294.69°)
OKLab	oklab(43.33% -0.0063 -0.1618)
OKLCH	oklch(43.33% 0.162 267.8)
XYZ	xyz(10.1898, 7.5959, 37.9673)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B45A8 #A88E2B

analogous

#2B84A8 #2B45A8 #502BA8

triadic

#2B45A8 #A82B45 #45A82B

tetradic

#2B45A8 #A82B84 #A88E2B #2BA850

square

#2B45A8 #A82B84 #A88E2B #2BA850

split-complementary

#2B45A8 #A8502B #84A82B

monochromatic

#121D47 #1F3177 #2B45A8 #425FCF #7288DB

Accessibility & contrast

On white

8.34

#2B45A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2B45A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B45A8

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B45A8	#FFFFFF	#000000	##FFFFFF
##2B45A8	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AB

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b45a8;
/* rgb */ color: rgb(43, 69, 168);
/* oklch */ color: oklch(43.3% 0.162 267.8);

Tailwind

colors: {
  custom: {
    50: '#7778c3',
    500: '#2b45a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b45a8;
$custom-light: #7778c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b45a8",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 168
  },
  "hsl": {
    "h": 227.52,
    "s": 59.242,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43326,
    "c": 0.16192,
    "h": 267.8
  },
  "luminance": 0.07597
}

Semantic roles & 50–950 ramp

primary

#2B45A8

secondary

#C2B06C

accent

#C245E2

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2B45A8

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →